It's not arguing that "no one would be selfish enough". It's arguing that "if someone is selfish enough and everyone has control, then the negative feedback to

It's not arguing that "no one would be selfish enough". It's arguing that "if someone is selfish enough and everyone has control, then the negative feedback to the selfishness is effective." "Privatization or local ownership" is a non-useful formulation. It mixes together two distinct ideas. "Socialist" countries for the most part do not and have not existed: they have all been state capitalist. The comparison being made in this critique is between resource in which (to use Taleb's phrase) those with skin in the game get to make the decisions and those which don't.